The resistivity of semiconductor materials is $..........$.

  • A
    less than that of conductors
  • B
    more than that of insulators
  • C
    less than that of both conductors and insulators
  • D
    more than that of conductors and less than that of insulators

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Similar Questions

An electric iron has a rating of $750\, W; 200\, V$. Calculate:
$(i)$ The current required.
$(ii)$ The resistance of its heating element.
$(iii)$ Energy consumed by the iron in $2$ hours.

Should the resistance of an ammeter be low or high? Give reason.

Which alloy is used to make the heating element (resistance wire) in an electric iron?

In the figure given below,$A, B$,and $C$ are three ammeters. The ammeter $B$ reads $0.5\, A$. (All the ammeters have negligible resistance.) Calculate:
$(i)$ the readings in the ammeters $A$ and $C$.
$(ii)$ the total resistance of the circuit.

Define one watt.

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